Takuma continues his wandering journey in search of his half-brother. It all started when Takuma's father, who ran a construction company, passed away. His older brother is the child of a woman his father once dated, and his father also searched for his whereabouts, but was unable to find him. So his father left a will. As a condition for Takuma to inherit his estate and company, he seeks out his older brother and the two of them are asked to prosper the company. The clues are a bell and a katak...